| IDT | immune diffusion test; instillation delivery time; intradermal typhoid [vaccine] |
|---|---|
| PCDC | plasma clot diffusion chamber |
| SRDT | single radial diffusion test |
| TCBS | Thiosulfate Citrate Bile salt Sucrose agar |
| TSI | 1) Thyroid Stimulating Immunoglobulin 2) Triple Sugar Iron agar |